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A-633-12484 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A-633-12484: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8630 OVERALL, overall_width: 0.250 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, overall_length: 1.750 INCHES NOMINAL IN, style_designator: PLAIN, end_item_identification: OPERATOR ASSEMBLY; SEAWOLF CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-486-2505, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
A-633-12484
NSN: 5315-01-486-2505
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 72166 — B.W. ELLIOTT MANUFACTURING CO., LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 8630 OVERALL
overall_width0.250 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
overall_length1.750 INCHES NOMINAL IN
style_designatorPLAIN
end_item_identificationOPERATOR ASSEMBLY; SEAWOLF CLASS SSN
material_document_and_classificationAISI 8630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-486-2505
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A-633-12484 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 8630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 8630 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.250 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 8630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.750 INCHES NOMINAL IN
OVERALL WIDTH0.250 INCHES NOMINAL IN
END ITEM IDENTIFICATIONOPERATOR ASSEMBLY; SEAWOLF CLASS SSN
MATERIALSTEEL COMP 8630 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
20081-23Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-633-12484?
A-633-12484 is a KEY,MACHINE.
What parts can replace A-633-12484?
There is 1 known substitute for A-633-12484: 20081-23. Substitute compatibility should be verified for your specific system.
What is the NSN for A-633-12484?
A-633-12484 is cataloged in the U.S. Government catalog under NSN 5315-01-486-2505. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.